Home / 57,407.21-86,095.20-36,315.59

Finding the Fourth Proportional to 57,407.21, 86,095.20 and 36,315.59

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Solution

The fourth proportional to 57,407.21, 86,095.20 and 36,315.59 is: 54,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,407.21 : 86,095.20 = 36,315.59 : x
  2. Step 2: Convert to fraction form
    57,407.21/86,095.20 = 36,315.59/x
  3. Step 3: Cross multiply
    57,407.21x = 86,095.20 × 36,315.59
  4. Step 4: Simplify right side
    57,407.21x = 3,126,597,984.17
  5. Step 5: Solve for x
    x = 3,126,597,984.17/57,407.21
  6. Step 6: Final answer
    x = 54,463.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.